# Cheerful Jade Carbonite Freezer ## Description Pré-amplificador Guitarra EVH 5150 III Red JFET ## Project Details - **Owner:** eshadow - **Created:** 6/14/2026 - **Last Updated:** 6/15/2026 - **Visibility:** Public ## Key Components ### J1 — [PJ-202A](https://www.flux.ai/adrian95/pj-202a~dp.md) - Role: Power input - Part Type: Connector - Manufacturer Name: CUI Devices - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: PJ-202A - Role Details: Entrada de alimentação simples 24V DC - Datasheet URL: https://www.cuidevices.com/product/resource/pj-202a.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J2 — [MJ-63022B](https://www.flux.ai/adrian95/mj-63022b.md) - Manufacturer Part Number: MJ-63022B - Datasheet URL: https://www.sameskydevices.com/product/resource/MJ-63022B.pdf - Role Details: Jack mono de entrada da guitarra - Role: Audio input - Mount: Through Hole - Part Type: Connectors - Manufacturer Name: Same Sky (Formerly CUI Devices) **Pins:** - SLEEVE [pin 1] - TIP [pin 2] - TIP_SWITCH [pin 4] ### J3 — [MJ-63022B](https://www.flux.ai/adrian95/mj-63022b.md) - Manufacturer Part Number: MJ-63022B - Datasheet URL: https://www.sameskydevices.com/product/resource/MJ-63022B.pdf - Part Type: Connectors - Role Details: Jack mono de saída do pré-amplificador - Manufacturer Name: Same Sky (Formerly CUI Devices) - Role: Audio output - Mount: Through Hole **Pins:** - SLEEVE [pin 1] - TIP [pin 2] - TIP_SWITCH [pin 4] ### Q1 — [2SK208-O(TE85L,F)](https://www.flux.ai/adrian95/2sk208-ote85lcf~4n7.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Role: Active JFET stages - Role Details: Usado como substituto de biblioteca para 2SK209; ajustar bias nos trimpots de drain - Manufacturer Part Number: 2SK208-O(TE85L,F) - Datasheet URL: https://toshiba.semicon-storage.com/info/2SK208_datasheet_en_20140301.pdf - Manufacturer Name: Toshiba Semiconductor and Storage **Pins:** - D [pin 1] - G [pin 3] - S [pin 2] ### Q2 — [2SK208-O(TE85L,F)](https://www.flux.ai/adrian95/2sk208-ote85lcf~4n7.md) - Manufacturer Part Number: 2SK208-O(TE85L,F) - Datasheet URL: https://toshiba.semicon-storage.com/info/2SK208_datasheet_en_20140301.pdf - Manufacturer Name: Toshiba Semiconductor and Storage - Role: Active JFET stages - Role Details: Usado como substituto de biblioteca para 2SK209; ajustar bias nos trimpots de drain - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor **Pins:** - D [pin 1] - G [pin 3] - S [pin 2] ### Q3 — [2SK208-O(TE85L,F)](https://www.flux.ai/adrian95/2sk208-ote85lcf~4n7.md) - Role: Active JFET stages - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Usado como substituto de biblioteca para 2SK209; ajustar bias nos trimpots de drain - Manufacturer Name: Toshiba Semiconductor and Storage - Datasheet URL: https://toshiba.semicon-storage.com/info/2SK208_datasheet_en_20140301.pdf - Manufacturer Part Number: 2SK208-O(TE85L,F) **Pins:** - D [pin 1] - G [pin 3] - S [pin 2] ### Q4 — [2SK208-O(TE85L,F)](https://www.flux.ai/adrian95/2sk208-ote85lcf~4n7.md) - Role Details: Usado como substituto de biblioteca para 2SK209; ajustar bias nos trimpots de drain - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Role: Active JFET stages - Manufacturer Name: Toshiba Semiconductor and Storage - Datasheet URL: https://toshiba.semicon-storage.com/info/2SK208_datasheet_en_20140301.pdf - Manufacturer Part Number: 2SK208-O(TE85L,F) **Pins:** - D [pin 1] - G [pin 3] - S [pin 2] ### Q5 — [2SK208-O(TE85L,F)](https://www.flux.ai/adrian95/2sk208-ote85lcf~4n7.md) - Role Details: Usado como substituto de biblioteca para 2SK209; ajustar bias nos trimpots de drain - Role: Active JFET stages - Manufacturer Name: Toshiba Semiconductor and Storage - Manufacturer Part Number: 2SK208-O(TE85L,F) - Datasheet URL: https://toshiba.semicon-storage.com/info/2SK208_datasheet_en_20140301.pdf - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - D [pin 1] - G [pin 3] - S [pin 2] ### RV1 — [3224W-1-104E](https://www.flux.ai/jharwinbarrozo/3224w-1-104e~do.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810271112_BOURNS-3224W-1-103E_C81348.pdf - Resistance: 100kΩ - Manufacturer Name: Bourns - Role Details: Ajustar drain para ponto de operação desejado em cada estágio JFET - Manufacturer Part Number: 3224W-1-104E - Role: Drain load trimmer - Part Type: Resistor **Pins:** - P1 - P2 - P3 ### RV2 — [3224W-1-104E](https://www.flux.ai/jharwinbarrozo/3224w-1-104e~do.md) - Manufacturer Part Number: 3224W-1-104E - Role Details: Ajustar drain para ponto de operação desejado em cada estágio JFET - Manufacturer Name: Bourns - Resistance: 100kΩ - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810271112_BOURNS-3224W-1-103E_C81348.pdf - Role: Drain load trimmer - Part Type: Resistor **Pins:** - P1 - P2 - P3 ### RV3 — [3224W-1-104E](https://www.flux.ai/jharwinbarrozo/3224w-1-104e~do.md) - Role Details: Ajustar drain para ponto de operação desejado em cada estágio JFET - Role: Drain load trimmer - Part Type: Resistor - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810271112_BOURNS-3224W-1-103E_C81348.pdf - Manufacturer Name: Bourns - Resistance: 100kΩ - Manufacturer Part Number: 3224W-1-104E **Pins:** - P1 - P2 - P3 ### VRD1 — [3224W-1-104E](https://www.flux.ai/jharwinbarrozo/3224w-1-104e~do.md) - Manufacturer Part Number: 3224W-1-104E - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810271112_BOURNS-3224W-1-103E_C81348.pdf - Manufacturer Name: Bourns - Resistance: 100kΩ - Role Details: Ajustar drain para ponto de operação desejado em cada estágio JFET - Role: Drain load trimmer - Part Type: Resistor **Pins:** - P1 - P2 - P3 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/eshadow/cheerful-jade-carbonite-freezer~us](https://www.flux.ai/eshadow/cheerful-jade-carbonite-freezer~us).* --- *Generated from [https://www.flux.ai/eshadow/cheerful-jade-carbonite-freezer~us](https://www.flux.ai/eshadow/cheerful-jade-carbonite-freezer~us)*